package com.soulless.innerclass.demo4;

/**
 * <p>
 *
 * </p>
 *
 * @author zenglei
 * @date 2023/05/19/ 16:37
 */
public class Demo4 {

    public static void main(String[] args) {
        Payer payer = new Payer();
        payer.pay();
        payer.startPay().pay();
    }

}
